短语词组短语ramiform carbide 枝状碳化物ramiform pits 分歧导孔ramiform m 枝状的ramiform pit [植]分枝纹孔;分枝壁孔;分歧纹孔ramiform pitting 分枝壁孔式ramiform element 枝形分子ramiform morphology 枝状形貌ramiform gas pipeline 枝状燃气管道ramiform net with single pipe 单管枝状 返回 ramiform